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Finding the Fourth Proportional to 36,954.98, 50,998.11 and 20,187.98

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Solution

The fourth proportional to 36,954.98, 50,998.11 and 20,187.98 is: 27,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,954.98 : 50,998.11 = 20,187.98 : x
  2. Step 2: Convert to fraction form
    36,954.98/50,998.11 = 20,187.98/x
  3. Step 3: Cross multiply
    36,954.98x = 50,998.11 × 20,187.98
  4. Step 4: Simplify right side
    36,954.98x = 1,029,548,972.13
  5. Step 5: Solve for x
    x = 1,029,548,972.13/36,954.98
  6. Step 6: Final answer
    x = 27,859.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.